JPH0811030A - Device for clamping each end of shaft-shaped work - Google Patents
Device for clamping each end of shaft-shaped workInfo
- Publication number
- JPH0811030A JPH0811030A JP6149167A JP14916794A JPH0811030A JP H0811030 A JPH0811030 A JP H0811030A JP 6149167 A JP6149167 A JP 6149167A JP 14916794 A JP14916794 A JP 14916794A JP H0811030 A JPH0811030 A JP H0811030A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- cooler
- workpiece
- main shaft
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000005679 Peltier effect Effects 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、両端にセンター穴のな
い工作物を回転センター方式の加工機を用いて加工をす
る軸状工作物両端クランプ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shaft-shaped workpiece both-ends clamping device for machining a workpiece having no center holes at both ends by using a rotary center type machining machine.
【０００２】[0002]
【従来の技術】円筒状工作物の外周面を研削加工するに
は、両端にセンター穴を設けて、主軸、心押軸の回転セ
ンターで両センター穴を支持して回転駆動し加工を行う
ものが一般公知である。2. Description of the Related Art In order to grind the outer peripheral surface of a cylindrical work piece, center holes are provided at both ends, and both center holes are supported by a rotation center of a main shaft and a tailstock shaft to perform rotational driving. Is generally known.
【０００３】[0003]
【発明が解決しようとする課題】前記従来公知の両端に
センター穴を有して支持するものはセンター穴のない工
作物には適用できない。しかし、センター穴のない工作
物の場合でも心出し両端面でクランプが可能であればセ
ンター方式の加工機を用いて加工することができる。The above-described conventional support having a center hole at both ends cannot be applied to a workpiece having no center hole. However, even a workpiece without a center hole can be machined by using a center type machine if it can be clamped at both ends of the centering.
【０００４】しかし、現在では心無し研削盤を使ってい
る。この場合は多品種の加工に対応できず困っている。However, at present, a centerless grinding machine is used. In this case, it is difficult to process many kinds of products.
【０００５】[0005]
【課題を解決するための手段】本発明は前記実情に鑑み
この課題に対処するために創案したもので、主軸と、こ
の主軸に対応させて心押軸を配した支持装置において、
前記支持装置の主軸と心押軸の間に、主軸及び心押軸の
中心線上に調整機構を備えた基準Ｖブロックと、クラン
プするＶブロックからなる心出し装置を配し、更に、前
記支持装置の主軸及び心押軸の対向する先端側には、夫
々断熱材からなるヒータコイルを配したヒータプラグと
クーラコイルを配したクーラソケット及び摩擦力の大き
いクランパを設け、更に、ヒータプラグとクーラソケッ
トの間隙内にワックスを充填してダイヤフラムで覆って
連結してなる自在クランプ機構を設け、工作物を両端か
ら自在クランプ機構を介してクランプすることを特徴と
した軸状工作物両端クランプ装置を提供するものであ
る。SUMMARY OF THE INVENTION The present invention was devised in order to solve this problem in view of the above-mentioned circumstances, and in a supporting device in which a main shaft and a tailstock shaft corresponding to the main shaft are arranged,
Between the main shaft and the tailstock shaft of the supporting device, a centering device including a reference V block having an adjusting mechanism on the centerline of the main shaft and the tailstock shaft, and a V block for clamping is arranged, and further, the supporting device. On the opposite tip sides of the main shaft and the tailstock shaft, a heater plug having a heater coil and a cooler socket having a cooler coil made of a heat insulating material and a clamper having a large frictional force are provided, respectively. Provided is a shaft-shaped workpiece both-ends clamping device characterized by providing a universal clamp mechanism in which a gap is filled with wax, covered with a diaphragm and connected, and a workpiece is clamped from both ends via the universal clamp mechanism. It is a thing.
【０００６】[0006]
【作用】本発明は基準Ｖブロック２の高さを工作物中心
が主軸３と心押軸４の中心と一致するように調整し、工
作物を基準Ｖブロックに置いてＶブロック２ａで押え、
心押軸４を前進させて工作物１を僅かにＶブロック２，
２ａ内で軸方向にすべらせて予荷重でクランプする。According to the present invention, the height of the reference V block 2 is adjusted so that the center of the workpiece coincides with the centers of the spindle 3 and the tailstock shaft 4, and the workpiece is placed on the reference V block and pressed by the V block 2a.
The tailstock shaft 4 is moved forward to slightly move the workpiece 1 into the V block 2,
Slide in 2a axially and clamp with preload.
【０００７】この時自在クランプ機構Ｃのヒータプラグ
１０のヒータコイル１０ａに電流を流しワックス１３を
液化すると共にクーラソケット１１は工作物１の端面の
傾きに倣った姿勢とした後、クーラコイル１１ａに電流
を流してワックス１３を固化する一方補助的に外部から
研削液をかけて冷却する。また心押軸４に外部から任意
に設定したクランプ荷重をあたえ、更に心出し装置Ａの
一対のＶ状ブロック２，２ａを夫々後退させ支持装置Ｂ
で工作物１を両端から自在クランプ機構Ｃを介してクラ
ンプし支持する。At this time, an electric current is passed through the heater coil 10a of the heater plug 10 of the universal clamp mechanism C to liquefy the wax 13 and the cooler socket 11 is made to follow the inclination of the end face of the workpiece 1 and then the current is passed through the cooler coil 11a. While the wax 13 is solidified by flowing the above, a grinding liquid is auxiliary supplied and cooled. Further, a clamp load arbitrarily set from the outside is applied to the tailstock shaft 4, and the pair of V-shaped blocks 2 and 2a of the centering device A are further retracted to support the support device B.
Then, the workpiece 1 is clamped and supported from both ends via the universal clamp mechanism C.
【０００８】[0008]
【実施例】図は、本発明による軸状工作物両端クランプ
装置の一実施例を示したもので、以下図面に基いて具体
的に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a shaft-shaped workpiece both-ends clamping device according to the present invention, which will be specifically described below with reference to the drawings.
【０００９】本発明の装置は、工作物１の外周面を基準
として心出し（半径方向の位置決め）を行う一対のＶ状
ブロック２，２ａからなる心出し装置Ａと、心出しされ
た工作物１を、主軸３と心押軸４とによって支持する支
持装置Ｂからなり、心出し装置Ａは前記支持装置Ｂの主
軸３と心押軸４の間に配し、この心出し装置Ａの一対の
ブロック２，２ａの中心は主軸３と心押軸４の中心軸線
と一致するように位置させ、しかも下側基準Ｖブロック
２は高さを調整する調整機構例えばねじ軸等によって工
作物中心ＯＷ，ＯＷ′が主軸３、心押軸４の中心Ｏ1，
Ｏ2と一致するように予め調整し、工作物１を基準Ｖブ
ロック２上に置きクランプＶブロック２ａで工作物１を
押付けクランプする。このクランプで工作物外径基準の
半径方向の位置決めが行われる。The apparatus of the present invention comprises a centering device A composed of a pair of V-shaped blocks 2 and 2a for centering (positioning in the radial direction) on the basis of the outer peripheral surface of the workpiece 1, and a centered workpiece. 1 is composed of a supporting device B which supports the main shaft 3 and the tailstock shaft 4, and the centering device A is arranged between the main shaft 3 and the tailstock shaft 4 of the supporting device B. The blocks 2 and 2a are positioned so that the centers of the blocks 2 and 2a coincide with the center axes of the spindle 3 and the tailstock shaft 4, and the lower reference V block 2 has a work center OW by an adjusting mechanism such as a screw shaft for adjusting the height. , OW ′ is the center O 1 of the spindle 3 and the tailstock shaft 4,
The workpiece 1 is preliminarily adjusted to match O 2, and the workpiece 1 is placed on the reference V block 2 and the workpiece 1 is pressed and clamped by the clamp V block 2a. The clamp performs radial positioning based on the workpiece outer diameter.
【００１０】次に、支持装置Ｂの主軸３、心押軸４は何
れも先端面に断熱材（ファインセラミック）で作ったヒ
ータプラグ１０とクーラソケット１１からなる自在クラ
ンプ機構Ｃを設け、工作物の外径に対する端面の傾き誤
差を吸収してクランプするようにする。更にこの自在ク
ランプ機構Ｃは対応する相対面にはヒータプラグ１０に
電流を流すとジュール熱で発熱するヒータコイル１０ａ
が配線され、またクーラソケット１１には電流を流すと
ペルチェ効果で冷却するクーラコイル１１ａが配線さ
れ、更に前記ヒータプラグ１０及びクーラソケット１１
のスラスト或いはラジアル隙間には、ヒータプラグ１０
とクーラソケット１１を連結したダイヤフラム１２で覆
った常温硬化（可逆性）ワックス１３を充填する。Next, the main shaft 3 and the tailstock shaft 4 of the supporting device B are provided with a free clamp mechanism C consisting of a heater plug 10 and a cooler socket 11 made of a heat insulating material (fine ceramic) on the tip end surfaces thereof, and a work piece. Clamp by absorbing the inclination error of the end surface with respect to the outer diameter of. Further, the universal clamp mechanism C has a heater coil 10a which generates Joule heat when a current is applied to the heater plug 10 on the corresponding relative surface.
And a cooler coil 11a that cools by the Peltier effect when a current is applied to the cooler socket 11, and further, the heater plug 10 and the cooler socket 11 are connected.
In the thrust or radial gap of the heater plug 10
Then, a room temperature curing (reversible) wax 13 covered with a diaphragm 12 connecting the cooler sockets 11 is filled.
【００１１】このワックス１３は、加熱で液化、常温で
固体となる。The wax 13 is liquefied by heating and becomes solid at room temperature.
【００１２】また自在クランプ機構Ｃのクーラソケット
１１の先端面には、クランパ１４を取付けてある。A clamper 14 is attached to the tip end surface of the cooler socket 11 of the universal clamp mechanism C.
【００１３】このクランパ１４は、取付けフランジ部１
４ａと、このフランジ部１４ａの中心から軸線方向に突
出させた突出端に砥粒を電着して工作物にくい込む摩擦
の大きいクランプ面１４ｂを設けてある。また前記ヒー
タコイル１０ａ、クーラコイル１１ａはブラシ１５に接
触するスリップリング１６によって電流を取入れてい
る。The clamper 14 has a mounting flange portion 1
4a and a clamping surface 14b, which has a large friction for electro-abrasively depositing abrasive grains on the projecting end projecting from the center of the flange portion 14a in the axial direction, to harden a workpiece. Further, the heater coil 10a and the cooler coil 11a take in an electric current by a slip ring 16 in contact with the brush 15.
【００１４】[0014]
【発明の効果】本発明は上述のように、断熱材にヒータ
コイルを配したヒータプラグとクーラコイルを配したク
ーラソケット及びクランパ、更に常温硬化ワックスをヒ
ータプラグとクーラソケットの間隙部に充填すると共に
ダイヤフラムで覆って連結してなる自在クランプ機構を
主軸と心押軸の対向する先端に夫々設け、前記常温硬化
ワックスをヒータにて液体にして自在クランプ機構によ
ってクーラソケットを工作物端面の傾きにならった姿勢
にした後クーラによってワックスを固化し、この状態で
自在クランプ機構を介してクランプするため回転センタ
ー方式の加工機を用いて加工することができる。従って
多品種の加工に対応できる。また、ワックスはスラスト
方向、ラジアル方向とも圧縮荷重をうけている。従って
支持剛性を得ることができる効果がある。As described above, the present invention fills the gap between the heater plug and the cooler socket with the heater plug having the heater coil arranged in the heat insulating material, the cooler socket having the cooler coil and the clamper, and the room temperature curing wax. Flexible clamp mechanisms, which are connected by being covered with a diaphragm, are provided at the opposite ends of the main shaft and tailstock shaft respectively, and the room temperature hardening wax is made into liquid by a heater, and the cooler socket follows the inclination of the workpiece end face by the flexible clamp mechanism. Since the wax is solidified by the cooler after being placed in the appropriate posture and clamped in this state via the universal clamp mechanism, it is possible to process using a rotating center type processing machine. Therefore, it is possible to process a wide variety of products. In addition, the wax receives a compressive load in both the thrust direction and the radial direction. Therefore, there is an effect that support rigidity can be obtained.
【図１】本発明に係る軸状工作物両端クランプ装置の一
実施例を示したクランプ時の正面図である。FIG. 1 is a front view at the time of clamping showing one embodiment of a shaft-shaped workpiece both-ends clamping device according to the present invention.
【図２】図１の自在クランプ機構部の拡大断面図であ
る。FIG. 2 is an enlarged cross-sectional view of the universal clamp mechanism unit in FIG.
【図３】図２の一部の拡大図である。3 is an enlarged view of a part of FIG. 2. FIG.
【図４】工作物の外周面を基準として心出しを行う平面
図である。FIG. 4 is a plan view in which centering is performed on the basis of the outer peripheral surface of the workpiece.
【図５】図４のＸ−Ｘからの心出しを行う側面図であ
る。5 is a side view for centering from XX in FIG. 4. FIG.
【図６】図４を心出し、クランプした時の一部断面図で
ある。FIG. 6 is a partial cross-sectional view of FIG. 4 centered and clamped.
１ 工作物 ２，２ａ Ｖ状ブロック ３ 主軸 ４ 心押軸 １０ ヒータプラグ １０ａ ヒータコイル １１ クーラソケット １１ａ クーラコイル １２ ダイヤフラム １３ ワックス １４ クランパ １４ａ フランジ部 １４ｂ クランプ面 １５ ブラシ １６ スリップリング Ａ 心出し装置 Ｂ 支持装置 Ｃ 自在クランプ機構 1 Workpiece 2, 2a V-shaped block 3 Main spindle 4 Trailing shaft 10 Heater plug 10a Heater coil 11 Cooler socket 11a Cooler coil 12 Diaphragm 13 Wax 14 Clamper 14a Flange portion 14b Clamping surface 15 Brush 16 Slip ring A Centering device B Support device C universal clamp mechanism
Claims (1)
配した支持装置において、前記支持装置の主軸と心押軸
の間に、主軸及び心押軸の中心線上に調整機構を備えた
基準Ｖブロックと、クランプするＶブロックからなる心
出し装置を配し、更に、前記支持装置の主軸及び心押軸
の対向する先端側には、夫々断熱材からなるヒータコイ
ルを配したヒータプラグとクーラコイルを配したクーラ
ソケット及び摩擦力の大きいクランパを設け、更に、ヒ
ータプラグとクーラソケットの間隙内にワックスを充填
してダイヤフラムで覆って連結してなる自在クランプ機
構を設け、工作物を両端から自在クランプ機構を介して
クランプすることを特徴とした軸状工作物両端クランプ
装置。1. A support device in which a main shaft and a tailstock shaft are arranged corresponding to the main shaft, wherein an adjusting mechanism is provided between the main shaft and the tailstock shaft of the support device on a centerline of the main shaft and the tailstock shaft. A centering device composed of a reference V block and a V block to be clamped is arranged, and further, a heater plug having a heater coil made of a heat insulating material is arranged on the opposite end sides of the main shaft and the tailstock shaft of the supporting device. A cooler socket with a cooler coil and a clamper with a large frictional force are provided.In addition, a universal clamp mechanism is provided in which the gap between the heater plug and the cooler socket is filled with wax and covered with a diaphragm to connect the workpiece to both ends. Clamping device for both ends of a shaft-shaped workpiece, characterized by clamping from a flexible clamp mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6149167A JPH0811030A (en) | 1994-06-30 | 1994-06-30 | Device for clamping each end of shaft-shaped work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6149167A JPH0811030A (en) | 1994-06-30 | 1994-06-30 | Device for clamping each end of shaft-shaped work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0811030A true JPH0811030A (en) | 1996-01-16 |
Family
ID=15469266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6149167A Pending JPH0811030A (en) | 1994-06-30 | 1994-06-30 | Device for clamping each end of shaft-shaped work |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0811030A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007210095A (en) * | 2007-03-14 | 2007-08-23 | Ntn Corp | Method for manufacturing dynamic pressure-type bearing device |
| JP2008183672A (en) * | 2007-01-30 | 2008-08-14 | Denso Corp | Work holding mechanism and contour grinding apparatus in contour grinding apparatus |
| CN104551988A (en) * | 2014-12-20 | 2015-04-29 | 新昌县超海轴承有限公司 | Bearing fixing and cooling integration device |
| CN114476513A (en) * | 2022-03-07 | 2022-05-13 | 浙江永展自动化设备有限公司 | Film-sandwiched chain structure |
-
1994
- 1994-06-30 JP JP6149167A patent/JPH0811030A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008183672A (en) * | 2007-01-30 | 2008-08-14 | Denso Corp | Work holding mechanism and contour grinding apparatus in contour grinding apparatus |
| JP2007210095A (en) * | 2007-03-14 | 2007-08-23 | Ntn Corp | Method for manufacturing dynamic pressure-type bearing device |
| CN104551988A (en) * | 2014-12-20 | 2015-04-29 | 新昌县超海轴承有限公司 | Bearing fixing and cooling integration device |
| CN104551988B (en) * | 2014-12-20 | 2016-11-30 | 新昌县超海轴承有限公司 | Cooling integrated device fixed by a kind of bearing |
| CN114476513A (en) * | 2022-03-07 | 2022-05-13 | 浙江永展自动化设备有限公司 | Film-sandwiched chain structure |
| CN114476513B (en) * | 2022-03-07 | 2024-05-14 | 浙江永展自动化设备有限公司 | Press from both sides membrane chain structure |
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